Lamp



FIG. 1 is a top, front, left perspective view;

FIG. 2 is a front view thereof;

FIG. 3 is a rear view thereof;

FIG. 4 is a right side view thereof; and,

FIG. 5 is a left side view thereof.

The even length broken lines within the shaded area represent an unclaimed feature. The uneven length broken lines immediately adjacent to the shaded area are imaginary lines showing boundaries of the claim that form no part of the claimed design. The even length broken lines depicting the reminder of the lamp represent environmental features and form no part of the claimed design. 

CLAIM The ornamental design for a lamp, as shown and described. 